if you do run solid mounts the roll cage will sure stiffen it up nice... i had mine done where they didi the frame off.. ill give them a call and see if they cant make another set.. but if i were you id make a bunch in delrin or aluminum.. im sure marcus at sc&c could sell a bunch for you.. or you could try
www.dixiemontecarlodepot.com he also has a thing for cornering g-bodys